A 20-year-old Brazilian woman has auctioned her virginity for £485,000.

The winning bid for Catarina Migliorini's cherry was won by a man from Japan known as "Natsu".

Meanwhile the same site ran an auction for the virginity of Alexander Stepanov, whose virginity was sold to "Nene B" for the considerably smaller sum of £1,800.

Catarina Migliorini is now contractually obliged to have sex with a Japanese man known as 'Natsu'

The pair were featured on an Australian website called Virgins Wanted, which promises to fly the winning bidders to meet the virgins "and will provide accommodation and make all the necessary arrangements for the winners to have sex with the virgins on the agreed terms."

Caterina's "shop window" features the brunette frolicking topless on the beach, clutching her breasts and showing off her pert rear. Alexander poses with fists aloft in a karate gi.

The terms state the virgins in question cannot accept any money before the buyers submit to a medical examination and police check. Consummation of the act must take place within 10 days of the auction.

Such romance...but, pray tell, how does the winning bidder know they have won a real, live virgin?

The female virgin will undergo a medical examination by an accredited gynecologist and provide the winning bidder with medical evidence of her virginity. The virgin must provide a document from the gynecologist that certifies her claim to virginity. The accompanying medical certificate will be a statutory declaration that supports her claim to virginity.

Given the difficulty in certifying a male's claim to virginity we ask that you take into consideration the chosen participant, his story and his demeanor when considering his claims to sexual abstinence. Although there can be no medical examination to prove the male's virginity, the male and two family members will provide statutory declarations to support his claim.

The virgin must engage in sexual intercourse with the highest bidder. The penis entering the vagina defines consummated sex in this instance.

Catarina has told press she intends to donate as much as 90 per cent of her winnings to charities which will build homes in the Brazilian state of Santa Catarina.

But auction organiser Justin Sisely, who plans to make a documentary about the project, told The Huffington Post: "I'm surprised she said that because in all my dealings with her, she made it clear that it was a business decision for her.

Further terms of the encounter state the winning bidder cannot be drunk, involve anyone else and they must not kiss the virgin. Use of a condom is mandatory.

Fellatio is not permitted, nor are sex toys and a certificate of consummation will be produced once the act has occurred.

As for suggestions the auction is akin to prostitution, Catarina told Folha newspaper: "If you only do it once in your life then you are not a prostitute, just like if you take one amazing photograph it does not automatically make you a photographer.

"The auction is just business, I'm a romantic girl at heart and believe in love. But this will make a big difference to my area."

For some strange reason, Alexander is not getting as much media attention as Catarina. We can't think why.

GALLERY: CATARINA MIGLIORINI

Catarina Migliorini

Catarina Migliorini

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Catarina Migliorini

Catarina Migliorini, a 20-year-old Brazilian student, has auctioned off her virginity for $780,000 .